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Find the sum of the interior angles of a nine-sided regular polygon.
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05 Jan 2022, 06:05
05 Jan 2022, 06:05
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Question Stats:
90% (00:24) correct
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Find the sum of the interior angles of a nine-sided regular polygon.
(A) 20°
(B) 360°
(C) 810°
(D) 1260°
(E) 1620°
(A) 20°
(B) 360°
(C) 810°
(D) 1260°
(E) 1620°
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Re: Find the sum of the interior angles of a nine-sided regular polygon.
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05 Jan 2022, 06:09
05 Jan 2022, 06:09
Carcass wrote:
Find the sum of the interior angles of a nine-sided regular polygon.
(A) 20°
(B) 360°
(C) 810°
(D) 1260°
(E) 1620°
(A) 20°
(B) 360°
(C) 810°
(D) 1260°
(E) 1620°
Useful rule: the sum of the angles in an n-sided polygon = (n - 2)(180°)
So, the sum of the angles in a 9-sided polygon = (9 - 2)(180°)
= (7)(180°)
= 1260°
Answer: D
gmatclubot
Re: Find the sum of the interior angles of a nine-sided regular polygon. [#permalink]
05 Jan 2022, 06:09
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